GRS 12PF-8 Woofer 12" 32 cm - membrana in carta 8 Ohm

GRS - Great Replacement Speakers

Ottimi altoparlanti per chi ha bisogno di sostuire i propri fuori uso. Le caratteristiche permottono a questi altoparlanti di addattarsi facilmente in tutte le situazioni. Ovviamente sono validi anche per progetti ex-novo!

• Diametro complessivo 304,8 mm
• Diametro del foro del deflettore 281 mm
• Profondità di montaggio 119,1 mm
• Materiale del diaframma Carta trattata
• Diametro della bobina mobile 38,1 mm
• Magnete in ferrite

Resonant frequency fS 35 Hz

Electrical Q QES 2.08

Mechanical Q QMS 5.97

Total Q factor QTS 1.54

Suspension equivalent air volume VAS 149.5 litres

DC resistance RE 7.56 Ω

Voice coil inductance LE 1.15 mH

Maximum linear excursion Xmax ± 3.5 mm

Efficiency η₀ 0.3 %

Efficiency bandwidth product EBP 16

GRS 12PF-8 12" poly-laminated paper cone woofers are perfect for use in sealed-box home theater and music systems.

Highlights

Perfect for use in sealed-box home theater and music systems
Poly-laminated paper cone, treated foam surround, and polymer dust cap
Smooth frequency response with minimal cone breakup
 

Product Details

GRS 12PF-8 12" Paper Cone Foam Surround Woofer

GRS 12PF-8 12" poly-laminated paper cone woofers are perfect for use in sealed-box home theater and music systems. Thanks to their carefully optimized parameters, GRS 12PF-8 12" poly-laminated paper cone woofers offer a high degree of compatibility when used as replacement speakers—they also provide excellent performance in new projects, too.

Specifications for: 12PF-8 12" Paper Cone Foam Surround Woofer

• Woofer SeriesReplacement woofer
• Woofer TypeMidwoofer
• Nominal Diameter12"
• Power Handling (RMS)120 Watts
• Power Handling (max)240 Watts
• Continuous Program Power
• Impedance8 ohms
• Sensitivity87 dB 1W/1m
• Frequency Response35 to 5,000 Hz
• Voice Coil Diameter1.5"
• Magnet Weight
• DC Resistance (Re)7.56 ohms
• Voice Coil Inductance (Le)1.15 mH
• Resonant Frequency (Fs)35 Hz
• Mechanical Q (Qms)5.97
• Electromagnetic Q (Qes)2.08
• Total Q (Qts)1.54
• Diaphragm Mass Inc. Airload (Mms)
• Moving Mass Of Diaphragm (Mmd)
• Mechanical Compliance of Suspension (Cms)
• Surface Area of Cone (Sd)
• Volume of Displacement (Vd)
• BL Product (BL)
• Compliance Equivalent Volume (Vas)5.28 ft.³
• Maximum Linear Excursion (Xmax)3.5 mm
• Driver's Mechanical Losses (Rms)
• Cone / Diaphragm MaterialTreated Paper
• Surround Material
• Voice Coil Wire Material
• Voice Coil Former
• Dual Voice Coil
• Basket / Frame Material
• Magnet MaterialFerrite
• Shielded
• Overall Outside Diameter12"
• Overall Depth4.69"
• Baffle Cutout Diameter11.0625"
• Bolt Circle Diameter
• # Mounting Holes8
• Mounting Hole Diameter
• Sealed Volume2.92 ft.³
• Sealed F340 Hz
• Vented Volume73 ft.³
• Vented F319 Hz